A baby’s axillary 38 degrees is considered feverish, and a body temperature of more than 37.3 degrees is considered feverish. According to the body temperature, the baby’s fever can be divided into 4 categories, based on the axillary table, less than 38 degrees for low fever, 38-38.9 degrees for moderate fever, 39-41 degrees for high fever, greater than or equal to 41 degrees for ultra-high fever. Measurement of body temperature need to pay attention to the following aspects: 1, the normal body temperature by the night and seasonal changes in the influence of the day to the early morning body temperature is the lowest, the afternoon or evening the highest, the summer body temperature is slightly higher, according to statistics in the morning the average body temperature in 36.9 degrees, the rest of the time in the 36.6 degrees. 2, breastfeeding, after meals, exercise, crying, wrapped up in too thick, as well as the room temperature is too high, can be made to the child’s body temperature to reach 37.5 degrees or so, based on the axillary chart.